fixes #1112 -- add a warning message when tempo out of bounds
fixes #1112 -- add a warning message when tempo out of bounds

eohomegrownapps/musicblocks,eohomegrownapps/musicblocks,walterbender/musicblocks,Hrishi1999/musicblocks,walterbender/musicblocks,walterbender/musicblocks,Hrishi1999/musicblocks,eohomegrownapps/musicblocks,Hrishi1999/musicblocks